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LONG-TERM DEBT (Details)
$ in Thousands
9 Months Ended 12 Months Ended
Dec. 28, 2019
USD ($)
Mar. 30, 2019
USD ($)
Dec. 10, 2018
USD ($)
Debt Instrument [Line Items]      
Current portion of loan outstanding $ 1,960 $ 1,899  
Allowable leverage ratio 3.00    
Leverage ratio 1.07 1.12  
Revolving Credit Facility [Member]      
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 30,000    
Debt Instrument, Interest Rate, Stated Percentage 1.80%    
Amount available $ 30,000    
Amount outstanding $ 6,600    
Allowable leverage ratio 3.0    
Revolving Credit Facility [Member] | Minimum [Member]      
Debt Instrument [Line Items]      
Interest rate for period 3.00%    
Revolving Credit Facility [Member] | Maximum [Member]      
Debt Instrument [Line Items]      
Interest rate for period 3.70%    
2017 Term Loan [Member]      
Debt Instrument [Line Items]      
Loan outstanding     $ 12,500
2018 Term Loan [Member]      
Debt Instrument [Line Items]      
Interest rate for period 4.15%    
Principal amount of loan $ 15,000    
Loan outstanding 13,100    
Current portion of loan outstanding 2,000    
Monthly principal payments 200    
Business acquisition 1,300    
2018 Term Loan [Member]      
Debt Instrument [Line Items]      
Annual payments $ 20,000